/**
 * Keys inside a rule's pipeline config (step/postStep `config` objects, canonical or
 * authoring form) that hold a reference to a `pipeline_schemas` row id. Mirror of
 * `apps/backend/src/proxy-rules/schema-refs.util.ts:10-16` — kept as a separate,
 * independently-maintained copy in the CLI (no cross-repo imports).
 *
 * - `schemaId`: data_create, data_query, data_update, data_delete, db_aggregate,
 *   file_upload, embed_store, vector_search
 * - `persist*SchemaId` / deprecated `conversationsSchemaId` / `messagesSchemaId`: ai handler
 */
export declare const SCHEMA_REF_KEYS: readonly ["schemaId", "persistMessagesSchemaId", "persistConversationsSchemaId", "conversationsSchemaId", "messagesSchemaId"];
/**
 * Recursively walks `value` (objects and arrays, at any depth) and invokes `visit` for
 * every *string* value found under a `SCHEMA_REF_KEYS` key. `visit` receives the
 * current ref string plus a `set` callback that replaces that value in place on the
 * walked structure (mutates `value`).
 *
 * A `SCHEMA_REF_KEYS` key whose value is not a string (e.g. `null`, a number) is left
 * alone — `visit` is not called for it — matching the backend's `typeof value ===
 * 'string'` guard.
 */
export declare function walkSchemaRefs(value: unknown, visit: (ref: string, set: (v: string) => void) => void): void;